Maria has severe arthritis and can apply a maximum force of only 25.5 N when opening her
Question:
(a) How much more torque would Maria be able to apply if she purchased a lever-style door opener with a handle 12.7 cm long compared to her conventional doorknob with a radius of 3.74 cm?
(b) How much less force would she need to apply to the new door handle in order to maintain the original amount of torque she had with her old doorknob?
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Related Book For
Applied Physics
ISBN: 978-0132109277
10th Edition
Authors: Dale ewen, Neill schurter, P. erik gundersen
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Related Video
In Physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. In this video, the concept of force and torque is demonstrated with the practical application of changing the flat tire of the car.
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